aka "Operazione Paura" in its English dubbed version.
A very haunting and influential horror classic from the 1960s: Federico Fellini in "Histoires extrarodinaires", David Lynch in the "Twin Peaks" series and Guillermo del Toro in "The Devil's Backbone" ...
Carlo Rustichelli's eery music score was overused in later Italian productions.
Check out the US movie trailer here: http://www.archive.org/details/KillBabyKill-Trailer and another one here: http://www.archive.org/details/MarioBavasKillBabyKill1966UsMovieTrailer&reCache=1
Erika Blanc and Giacomo Rossi-Stuart will reunite in Emilio Miraglia's THE NIGHT EVELYN CAME OUT OF THE GRAVE (1971). See the film here: http://www.archive.org/details/EmilioMiragliasTheNightEvelynCameOutOfTheGrave1971&reCache=1 and its teaser trailer here: http://www.archive.org/details/EmilioMiragliasNightEvelynCameOutOfTheGrave1971UsTeaser more info on http://www.imdb.com/title/tt0060794/